Shareholder Report, Average Annual Return (Details) |
6 Months Ended | 12 Months Ended | 60 Months Ended | 120 Months Ended |
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2026 |
Jun. 30, 2026 |
Jun. 30, 2026 |
|
| C000030126 | ||||
| Average Annual Return [Line Items] | ||||
| Line Graph and Table Measure Name | FAM Value Fund - Investor Shares | |||
| C000164665 | ||||
| Average Annual Return [Line Items] | ||||
| Line Graph and Table Measure Name | FAM Value Fund - Institutional Shares | |||
| C000030128 | ||||
| Average Annual Return [Line Items] | ||||
| Line Graph and Table Measure Name | FAM Dividend Focus Fund - Investor Shares | |||
| C000110096 | ||||
| Average Annual Return [Line Items] | ||||
| Line Graph and Table Measure Name | FAM Small Cap Fund - Investor Shares | |||
| C000164667 | ||||
| Average Annual Return [Line Items] | ||||
| Line Graph and Table Measure Name | FAM Small Cap Fund - Institutional Shares | |||
| Without Sales Load [Member] | C000030126 | ||||
| Average Annual Return [Line Items] | ||||
| Average Annual Return, Percent | 7.91% | 8.18% | 7.31% | 10.64% |
| Without Sales Load [Member] | C000164665 | ||||
| Average Annual Return [Line Items] | ||||
| Average Annual Return, Percent | 7.99% | 8.36% | 7.51% | 10.84% |
| Without Sales Load [Member] | C000030128 | ||||
| Average Annual Return [Line Items] | ||||
| Average Annual Return, Percent | 2.57% | (2.61%) | 5.22% | 10.71% |
| Without Sales Load [Member] | C000110096 | ||||
| Average Annual Return [Line Items] | ||||
| Average Annual Return, Percent | (1.46%) | (10.28%) | 2.22% | 7.25% |
| Without Sales Load [Member] | C000164667 | ||||
| Average Annual Return [Line Items] | ||||
| Average Annual Return, Percent | (1.44%) | (10.23%) | 2.32% | 7.37% |
| S&P 500 Index TR | ||||
| Average Annual Return [Line Items] | ||||
| Line Graph and Table Measure Name | S&P 500<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index | |||
| Average Annual Return, Percent | 10.21% | 22.32% | 13.41% | 15.51% |
| S&P 500 Index TR | ||||
| Average Annual Return [Line Items] | ||||
| Line Graph and Table Measure Name | S&P 500<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index | |||
| Average Annual Return, Percent | 10.21% | 22.32% | 13.41% | 15.51% |
| S&P 500 Index TR | ||||
| Average Annual Return [Line Items] | ||||
| Line Graph and Table Measure Name | S&P 500<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index | |||
| Average Annual Return, Percent | 10.21% | 22.32% | 13.41% | 15.51% |
| S&P 500 Index TR | ||||
| Average Annual Return [Line Items] | ||||
| Line Graph and Table Measure Name | S&P 500<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index | |||
| Average Annual Return, Percent | 10.21% | 22.32% | 13.41% | 15.51% |
| S&P 500 Index TR | ||||
| Average Annual Return [Line Items] | ||||
| Line Graph and Table Measure Name | S&P 500<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index | |||
| Average Annual Return, Percent | 10.21% | 22.32% | 13.41% | 15.51% |
| Russell Midcap Total Return | ||||
| Average Annual Return [Line Items] | ||||
| Line Graph and Table Measure Name | Russell Midcap<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index | |||
| Average Annual Return, Percent | 15.30% | 21.63% | 8.50% | 12.00% |
| Russell Midcap Total Return | ||||
| Average Annual Return [Line Items] | ||||
| Line Graph and Table Measure Name | Russell Midcap<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index | |||
| Average Annual Return, Percent | 15.30% | 21.63% | 8.50% | 12.00% |
| Russell Midcap Total Return | ||||
| Average Annual Return [Line Items] | ||||
| Line Graph and Table Measure Name | Russell Midcap<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index | |||
| Average Annual Return, Percent | 15.30% | 21.63% | 8.50% | 12.00% |
| Russell 2000 Total Return | ||||
| Average Annual Return [Line Items] | ||||
| Line Graph and Table Measure Name | Russell 2000<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index | |||
| Average Annual Return, Percent | 22.57% | 40.78% | 6.98% | 11.62% |
| Russell 2000 Total Return | ||||
| Average Annual Return [Line Items] | ||||
| Line Graph and Table Measure Name | Russell 2000<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index | |||
| Average Annual Return, Percent | 22.57% | 40.78% | 6.98% | 11.62% |